Move PyQt to Extras

[Rex Dieter]

Konstantin Ryabitsev wrote:

> I am trying to package Eric IDE for Extras, but it requires that PyQt
> is built with Qscintilla. I have added Qscintilla to extras, but I
> cannot continue, since PyQt is in core, and can't depend on things in
> Extras for a sub-package. 

PyQt wouldn't depend on PyQt-qscintilla.  It's the other way around: 
PyQt-qscintilla would Requires: PyQt.  And, eric would Requires: 
PyQt-qscintilla

(So there's no need to PyQt to Extras for PyQt-qscintilla's or eric's sake)

-- Rex